<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png">
            </div>
            <!-- 表单登录区域 -->
            <el-form :model="loginForm" label-width="0px" class="login_form" :rules="rules" ref="loginFormRef">
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username"  prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password"  prefix-icon="iconfont icon-3702mima" type="password"></el-input>
                </el-form-item>
                <el-form-item class='btns'>
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="reset">重置</el-button>
             </el-form-item>
            </el-form>
        </div>
    </div>
</template>
<script>
export default {
    data : function(){
        return {
            loginForm : {
                username : '',
                password : ''
            },
            rules : {
                username : [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 5, max: 10, message: '长度在 5 到 10 个字符', trigger: 'blur' }
                ],
                password : [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
                ]
            }

        }
    },
    methods : {
        reset(){
            console.log(this)
            this.$refs.loginFormRef.resetFields()
        },
        login(){
            this.$refs.loginFormRef.validate(async valid =>{
                if(!valid) return;
                const {data:res} = await this.$http.post('login',this.loginForm)
        
                if(res.meta.status !== 200)  return this.$message.error('登录失败！')
                this.$message.success('登录成功')
                window.sessionStorage.setItem('token',res.data.token);
                this.$router.push('/home')
            })
        }
    }
}
</script>
<style lang="less" scoped>
    .login_container {
        height : 100%;
        background-color: #2b4b6b;
    }
    .login_box {
        height : 300px;
        width: 450px;
        background-color: #fff;
        border-radius: 3px;
        position:absolute;
        left : 50%;
        top:50%;
        transform : translate(-50%,-50%);
        .avatar_box {
            height: 130px;
            width: 130px;
            padding : 10px;
            border : 1px solid #eee;
            border-radius:50%;
            box-shadow: 0 0 10px #ddd;
            position:absolute;
            left : 50%;
            top:0;
            transform : translate(-50%,-50%);
            background-color: #fff;
            img {
                width:100%;
                 width:100%;
                border-radius: 50%;
                background-color: #eee;
            }
        }
        
    }
    .login_form {
        position:absolute;
        bottom : 0;
        width:100%;
        padding:0 20px;
        box-sizing: border-box;

    }   
    .btns {
        display : flex;
        justify-content: flex-end;
    }
</style>